The HYV Hydration Journal

Everything You Need to Know About Drinkware

Buying guides, honest comparisons, care tips, and hydration science — written by the people who obsess over bottles.

2
Articles
6
Topics
Jun 2026
Last updated

Food grade steel

HYV
Materials

Is Stainless Steel Water Bottle Safe? The Complete Guide

Is stainless steel safe for daily use in water bottles? Everything about grades, coatings, and food safety.

Jun 14, 2026 Read
HYV
Comparison

Surgical Grade vs Food Grade Stainless Steel: What Your Water Bottle Actually Uses

Surgical grade (316) vs food grade (304) stainless steel for water bottles — why Grade 304 is the correct standard and why BIS certification matters more than grade claims.

May 24, 2026 Read

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